What is LI FI?

What is LI FI

What is the Li Fi:
Li Fi is an abbreviation of the term Light Fidelity, a technique that wireless connections optical high-speed, based on visible light as a means of data transmission, which is invented by Professor of Communications Engineering at the University of Edinburgh, Scotland, "Harald Haas" has been ranked the technology as one of the best innovations of 2011 by Time Magazine American

Each lamp in the world will be able to transfer data, street lamps, automotive lamps Simple LED lamp (very fast so as not to the naked eye can see)
This lamp works by System D-Light, this system is based on a mathematical trick called OFDM (perpendicular double frequency Tksiem) valve which allows the production of a very fast rate and is invisible to the human eye.



It should be noted that the cost of this technology cheap, and has the qualifications to spread widely, it's also safer and more effective than Wifi.